Cong Nghe O To X203 Joint Stock Company Address: 421 Linh Nam, Linh Nam Ward, Hoang Mai District, Ha Noi City Enterprise code: 0109787392 Phone: 02706246666 Representative: Nguyen Tien Dung Linh Nam Ward, Hoang Mai District, Ha Noi CityFounding date: 21 - 10 - 2021